Commit | Line | Data |
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5a196804 | 1 | #!/bin/bash -exu |
f3d8604b | 2 | # |
1d5a0a3c | 3 | # Copyright (C) 2016-2019 - Michael Jeanson <mjeanson@efficios.com> |
f3d8604b MJ |
4 | # |
5 | # This program is free software: you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation, either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
39961776 MJ |
18 | # Parameters |
19 | arch=${arch:-} | |
20 | cross_arch=${cross_arch:-} | |
21 | ktag=${ktag:-} | |
5a196804 MJ |
22 | kgitrepo=${kgitrepo:-} |
23 | mversion=${mversion:-} | |
24 | mgitrepo=${mgitrepo:-} | |
39961776 MJ |
25 | |
26 | ||
339db64d MJ |
27 | ## FUNCTIONS ## |
28 | ||
f3d8604b MJ |
29 | # Kernel version compare functions |
30 | verlte() { | |
51fa2ab3 | 31 | [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | head -n1)" ] |
f3d8604b MJ |
32 | } |
33 | ||
34 | verlt() { | |
51fa2ab3 | 35 | [ "$1" = "$2" ] && return 1 || verlte "$1" "$2" |
f3d8604b MJ |
36 | } |
37 | ||
38 | vergte() { | |
51fa2ab3 | 39 | [ "$1" = "$(printf '%s\n%s' "$1" "$2" | sort -V | tail -n1)" ] |
f3d8604b MJ |
40 | } |
41 | ||
42 | vergt() { | |
51fa2ab3 | 43 | [ "$1" = "$2" ] && return 1 || vergte "$1" "$2" |
f3d8604b MJ |
44 | } |
45 | ||
339db64d | 46 | |
5a196804 MJ |
47 | git_clone_modules_sources() { |
48 | mkdir -p "$MODULES_GIT_DIR" | |
49 | git clone --depth=1 -b "${mversion}" "${mgitrepo}" "$MODULES_GIT_DIR" | |
50 | } | |
51 | ||
52 | # Checkout a shallow kernel tree of the specified tag | |
53 | git_clone_linux_sources() { | |
54 | mkdir -p "$LINUX_GIT_DIR" | |
55 | git clone --depth=1 -b "${ktag}" --reference "$LINUX_GIT_REF_REPO_DIR" "${kgitrepo}" "$LINUX_GIT_DIR" | |
56 | } | |
7e02032c | 57 | |
7e02032c | 58 | |
5a196804 MJ |
59 | # Export the kernel sources from the git repo |
60 | git_export_linux_sources() { | |
61 | cd "$LINUX_GIT_DIR" | |
62 | git archive "${ktag}" | tar -x -C "$LINUX_SRCOBJ_DIR" | |
63 | } | |
64 | ||
65 | ||
66 | # Upload the tar archive to the object store | |
67 | upload_archive_obj() { | |
68 | s3cmd -c "$WORKSPACE/.s3cfg" put "$WORKSPACE/$obj_name" "$obj_url_prefix/" | |
69 | rm -f "$WORKSPACE/$obj_name" | |
70 | } | |
71 | ||
72 | ||
73 | extract_archive_obj() { | |
74 | tar -xf "$WORKSPACE/$obj_name" -C "$LINUX_OBJ_DIR" | |
75 | rm -f "$WORKSPACE/$obj_name" | |
76 | } | |
77 | ||
78 | ||
79 | tar_archive_obj() { | |
80 | cd "$LINUX_OBJ_DIR" | |
81 | tar -cf "$WORKSPACE/$obj_name" -I pbzip2 . | |
82 | cd - | |
83 | } | |
84 | ||
85 | # Find the most recent GCC version supported by the kernel sources | |
86 | select_compiler() { | |
87 | local selected_cc | |
88 | ||
89 | cd "$LINUX_SRCOBJ_DIR" | |
90 | ||
91 | kversion=$(make -s kernelversion) | |
92 | ||
93 | set +e | |
94 | ||
1d5a0a3c | 95 | for cc in gcc-5 gcc-4.8; do |
5a196804 MJ |
96 | if "${CROSS_COMPILE:-}${cc}" -I include/ -D__LINUX_COMPILER_H -D__LINUX_COMPILER_TYPES_H -E include/linux/compiler-gcc.h; then |
97 | selected_cc="$cc" | |
98 | break | |
99 | fi | |
100 | done | |
101 | ||
102 | set -e | |
103 | ||
104 | if [ "x$selected_cc" = "x" ]; then | |
105 | echo "Found no suitable compiler." | |
106 | exit 1 | |
107 | fi | |
108 | ||
1d5a0a3c MJ |
109 | # Force gcc-4.8 for kernels before 3.18 |
110 | if { verlt "$kversion" "3.18"; }; then | |
23db2292 | 111 | selected_cc=gcc-4.8 |
7e02032c MJ |
112 | fi |
113 | ||
425e4992 MJ |
114 | if [ "$selected_cc" != "gcc-4.8" ]; then |
115 | # Older kernel Makefiles do not expect the compiler to default to PIE | |
116 | KAFLAGS="-fno-pie" | |
c45b04df | 117 | KCFLAGS="-fno-pie -no-pie -fno-stack-protector" |
425e4992 MJ |
118 | KCPPFLAGS="-fno-pie" |
119 | export KAFLAGS KCFLAGS KCPPFLAGS | |
120 | fi | |
121 | ||
5a196804 | 122 | export CC="${CROSS_COMPILE:-}${selected_cc}" |
1d5a0a3c | 123 | export HOSTCC="${selected_cc}" |
5a196804 MJ |
124 | |
125 | cd - | |
126 | } | |
127 | ||
128 | ||
129 | build_linux_kernel() { | |
130 | cd "$LINUX_SRCOBJ_DIR" | |
131 | ||
132 | kversion=$(make -s kernelversion) | |
133 | ||
7e02032c | 134 | # Generate kernel configuration |
a1ae361e | 135 | case "$ktag" in |
7e02032c | 136 | Ubuntu*) |
39961776 | 137 | if [ "${cross_arch}" = "powerpc" ]; then |
5a196804 | 138 | if vergte "${kversion}" "4.10"; then |
39961776 MJ |
139 | echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it." |
140 | exit 0 | |
141 | fi | |
142 | fi | |
a46abb0a MJ |
143 | fakeroot debian/rules clean KW_DEFCONFIG_DIR=. |
144 | fakeroot debian/rules genconfigs KW_DEFCONFIG_DIR=. | |
5a196804 | 145 | cp CONFIGS/"${ubuntu_config}" .config |
7e02032c | 146 | ;; |
c45b04df | 147 | |
7e02032c | 148 | *) |
16844a6d MJ |
149 | # Force 32bit build on i386, default is 64bit |
150 | if [ "$arch" = "i386" ]; then | |
5a196804 MJ |
151 | export ARCH="i386" |
152 | fi | |
153 | ||
154 | # allyesconfig is mostly broken for kernels of the 2.6 series | |
155 | if verlt "$kversion" "3.0"; then | |
156 | vanilla_config="defconfig" | |
7a76a4d0 MJ |
157 | fi |
158 | ||
5a196804 | 159 | make "${vanilla_config}" |
7e02032c MJ |
160 | ;; |
161 | esac | |
162 | ||
53b51a15 | 163 | # oldnoconfig was renamed in 4.19 |
5a196804 | 164 | if vergte "$kversion" "4.19"; then |
53b51a15 | 165 | update_conf_target="olddefconfig" |
5a196804 | 166 | else |
53b51a15 | 167 | update_conf_target="oldnoconfig" |
5a196804 MJ |
168 | fi |
169 | ||
170 | # Fix 'defined(@array)' was removed from recent perl | |
171 | if [ -f "kernel/timeconst.pl" ]; then | |
172 | sed -i 's/defined(\@\(.*\))/@\1/' kernel/timeconst.pl | |
173 | fi | |
174 | ||
175 | # Fix syntax of inline assembly which is confused with C++11 raw strings on gcc >= 5 | |
53b51a15 | 176 | if [ "$HOSTCC" != "gcc-4.8" ]; then |
5a196804 MJ |
177 | if [ -f "arch/x86/kvm/svm.c" ]; then |
178 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/svm.c | |
179 | fi | |
180 | ||
181 | if [ -f "arch/x86/kvm/vmx.c" ]; then | |
182 | sed -i 's/ R"/ R "/g; s/"R"/" R "/g' arch/x86/kvm/vmx.c | |
183 | fi | |
184 | fi | |
185 | ||
53b51a15 MJ |
186 | # Newer binutils don't accept 3 operand 'cmp' instructions on ppc64 |
187 | # Convert them to 'cmpw' which was previously done silently | |
188 | if verlt "$kversion" "4.9"; then | |
189 | find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmp\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmpw\2/" | |
190 | find arch/powerpc/ -name "*.S" -print0 | xargs -0 sed -i "s/\(cmpli\)\(\s\+[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+,\s*[a-zA-Z0-9]\+\)/cmplwi\2/" | |
191 | sed -i "s/\$pie \-o \"\$ofile\"/\$pie --no-dynamic-linker -o \"\$ofile\"/" arch/powerpc/boot/wrapper | |
192 | fi | |
193 | ||
5a196804 MJ |
194 | # Fix a typo in v2.6.36.x |
195 | if [ -f "arch/x86/kernel/entry_64.S" ]; then | |
196 | sed -i 's/END(do_hypervisor_callback)/END(xen_do_hypervisor_callback)/' arch/x86/kernel/entry_64.S | |
197 | fi | |
198 | ||
53b51a15 MJ |
199 | # Fix compiler switch in vdso Makefile for 2.6.36 to 2.6.36.2 |
200 | if { vergte "$kversion" "2.6.36" && verlte "$kversion" "2.6.36.3"; }; then | |
201 | sed -i 's/-m elf_x86_64/-m64/' arch/x86/vdso/Makefile | |
202 | sed -i 's/-m elf_i386/-m32/' arch/x86/vdso/Makefile | |
203 | fi | |
204 | ||
5a196804 MJ |
205 | # Fix kernel < 3.0 with gcc >= 4.7 |
206 | if verlt "$kversion" "3.0"; then | |
207 | sed -i '/linux\/compiler.h/a #include <linux\/linkage.h> \/* For asmregparm *\/' arch/x86/include/asm/ptrace.h | |
208 | sed -i 's/extern long syscall_trace_enter/extern asmregparm long syscall_trace_enter/' arch/x86/include/asm/ptrace.h | |
209 | sed -i 's/extern void syscall_trace_leave/extern asmregparm void syscall_trace_leave/' arch/x86/include/asm/ptrace.h | |
210 | echo "header-y += linkage.h" >> include/linux/Kbuild | |
211 | fi | |
212 | ||
7e02032c | 213 | # GCC 4.8 |
53b51a15 MJ |
214 | if [ "$HOSTCC" == "gcc-4.8" ]; then |
215 | scripts/config --disable CONFIG_CC_STACKPROTECTOR_STRONG | |
216 | fi | |
7e02032c MJ |
217 | |
218 | # Don't try to sign modules | |
53b51a15 | 219 | scripts/config --disable CONFIG_MODULE_SIG |
7e02032c | 220 | |
9ef18fa2 | 221 | # Disable kernel stack frame correctness validation, introduced in 4.6.0 and currently fails |
53b51a15 | 222 | scripts/config --disable CONFIG_STACK_VALIDATION |
5a196804 MJ |
223 | |
224 | # Cause problems with inline assembly on i386 | |
53b51a15 | 225 | scripts/config --disable CONFIG_DEBUG_SECTION_MISMATCH |
5a196804 | 226 | |
1d5a0a3c | 227 | # Don't build samples, they are broken on some kernel releases |
53b51a15 MJ |
228 | scripts/config --disable CONFIG_SAMPLES |
229 | scripts/config --disable CONFIG_BUILD_DOCSRC | |
c45b04df MJ |
230 | |
231 | # Disable kcov | |
53b51a15 | 232 | scripts/config --disable CONFIG_KCOV |
c45b04df MJ |
233 | |
234 | # Broken on some RT kernels | |
53b51a15 | 235 | scripts/config --disable CONFIG_HYPERV |
1d5a0a3c | 236 | |
1e300ea9 | 237 | # Broken drivers |
53b51a15 MJ |
238 | scripts/config --disable CONFIG_RAPIDIO_TSI721 |
239 | scripts/config --disable CONFIG_SGI_XP | |
240 | scripts/config --disable CONFIG_MFD_WM8994 | |
241 | scripts/config --disable CONFIG_DRM_RADEON | |
242 | scripts/config --disable CONFIG_SND_SOC_WM5100 | |
1e300ea9 | 243 | |
5a196804 MJ |
244 | # IGBVF won't build with recent gcc on 2.6.38.x |
245 | if { vergte "$kversion" "2.6.37" && verlt "$kversion" "2.6.38"; }; then | |
53b51a15 | 246 | scripts/config --disable CONFIG_IGBVF |
5a196804 | 247 | fi |
9ef18fa2 | 248 | |
51fa2ab3 | 249 | # Set required options |
53b51a15 MJ |
250 | scripts/config --enable CONFIG_TRACEPOINTS |
251 | scripts/config --enable CONFIG_KALLSYMS | |
252 | scripts/config --enable CONFIG_HIGH_RES_TIMERS | |
253 | scripts/config --enable CONFIG_KPROBES | |
254 | scripts/config --enable CONFIG_FTRACE | |
255 | scripts/config --enable CONFIG_BLK_DEV_IO_TRACE | |
256 | scripts/config --enable CONFIG_KALLSYMS_ALL | |
257 | scripts/config --enable CONFIG_HAVE_SYSCALL_TRACEPOINTS | |
258 | scripts/config --enable CONFIG_PERF_EVENTS | |
259 | scripts/config --enable CONFIG_EVENT_TRACING | |
260 | scripts/config --enable CONFIG_KRETPROBES | |
7e02032c | 261 | |
7a76a4d0 | 262 | # Debug |
5a196804 MJ |
263 | #cat .config |
264 | ||
265 | make "$update_conf_target" CC="$CC" | |
266 | make -j"$NPROC" CC="$CC" | |
267 | ||
c45b04df | 268 | krelease=$(make -s kernelrelease CC="$CC") |
5a196804 MJ |
269 | |
270 | # Save the kernel and modules | |
271 | mkdir -p "$LINUX_INSTOBJ_DIR/boot" | |
53b51a15 MJ |
272 | make INSTALL_MOD_PATH="$LINUX_INSTOBJ_DIR" INSTALL_MOD_STRIP=1 modules_install CC="$CC" |
273 | make INSTALL_PATH="$LINUX_INSTOBJ_DIR/boot" install CC="$CC" | |
5a196804 MJ |
274 | rm -f "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/build" |
275 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
276 | ln -s ../../../../sources "$LINUX_INSTOBJ_DIR/lib/modules/${krelease}/source" | |
277 | } | |
278 | ||
279 | ||
280 | extract_distro_headers() { | |
281 | ||
282 | # Enter linux source dir | |
283 | cd "${LINUX_SRCOBJ_DIR}" | |
284 | ||
285 | ||
286 | # For RT kernels, copy version file | |
287 | if [ -s localversion-rt ]; then | |
288 | cp -a localversion-rt "${LINUX_HDROBJ_DIR}" | |
289 | fi | |
290 | ||
291 | # Copy all Makefile related stuff | |
292 | find . -path './include/*' -prune \ | |
293 | -o -path './scripts/*' -prune -o -type f \ | |
294 | \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \ | |
295 | -name '*.sh' -o -name '*.pl' -o -name '*.lds' \) \ | |
296 | -print | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
297 | ||
298 | # Copy base scripts and include dirs | |
299 | cp -a scripts include "${LINUX_HDROBJ_DIR}" | |
7e02032c | 300 | |
5a196804 MJ |
301 | # Copy arch includes |
302 | (find arch -name include -type d -print0 | \ | |
303 | xargs -0 -n1 -i: find : -type f) | \ | |
304 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
305 | ||
306 | # Copy arch scripts | |
307 | (find arch -name scripts -type d -print0 | \ | |
308 | xargs -0 -n1 -i: find : -type f) | \ | |
309 | cpio -pd --preserve-modification-time "${LINUX_HDROBJ_DIR}" | |
310 | ||
311 | # Cleanup scripts | |
312 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*.o" | |
313 | rm -f "${LINUX_HDROBJ_DIR}/scripts/*/*.o" | |
314 | ||
04873cc3 | 315 | # On powerpc 32bits this object is required to link modules |
5a196804 | 316 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
317 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
318 | : | |
319 | else | |
04873cc3 MJ |
320 | cp -a --parents arch/powerpc/lib/crtsavres.[So] "${LINUX_HDROBJ_DIR}/" |
321 | fi | |
5a196804 MJ |
322 | fi |
323 | ||
324 | # On arm64 between 4.13 and 1.15 this object is required to build with ftrace support | |
325 | if [ "${karch}" = "arm64" ]; then | |
326 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then | |
327 | cp -a --parents arch/arm64/kernel/ftrace-mod.[So] "${LINUX_HDROBJ_DIR}/" | |
328 | fi | |
329 | fi | |
330 | ||
331 | # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y | |
332 | if [ -f tools/objtool/objtool ]; then | |
333 | cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/" | |
334 | fi | |
335 | ||
336 | if [ -f "arch/x86/kernel/macros.s" ]; then | |
337 | cp -a --parents arch/x86/kernel/macros.s "${LINUX_HDROBJ_DIR}/" | |
338 | fi | |
339 | ||
340 | # Copy modules related stuff, if available | |
341 | if [ -s Module.symvers ]; then | |
342 | cp Module.symvers "${LINUX_HDROBJ_DIR}" | |
343 | fi | |
344 | ||
345 | if [ -s System.map ]; then | |
346 | cp System.map "${LINUX_HDROBJ_DIR}" | |
347 | fi | |
348 | ||
349 | if [ -s Module.markers ]; then | |
350 | cp Module.markers "${LINUX_HDROBJ_DIR}" | |
351 | fi | |
352 | ||
353 | # Copy config file | |
354 | cp .config "${LINUX_HDROBJ_DIR}" | |
355 | ||
356 | # Make sure the Makefile and version.h have a matching timestamp so that | |
357 | # external modules can be built | |
358 | if [ -s "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" ]; then | |
359 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/generated/uapi/linux/version.h" | |
360 | elif [ -s "${LINUX_HDROBJ_DIR}/include/linux/version.h" ]; then | |
361 | touch -r "${LINUX_HDROBJ_DIR}/Makefile" "${LINUX_HDROBJ_DIR}/include/linux/version.h" | |
362 | else | |
363 | echo "Missing version.h" | |
364 | exit 1 | |
365 | fi | |
366 | touch -r "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/generated/autoconf.h" | |
367 | ||
368 | # Copy .config to include/config/auto.conf so "make prepare" is unnecessary. | |
369 | cp "${LINUX_HDROBJ_DIR}/.config" "${LINUX_HDROBJ_DIR}/include/config/auto.conf" | |
370 | ||
371 | # Finally clean the object files from the full source tree | |
372 | make clean | |
373 | ||
374 | # And regen the modules support files | |
375 | make modules_prepare CC="$CC" | |
51fa2ab3 | 376 | |
04873cc3 | 377 | # On powerpc 32bits this object is required to link modules |
d815b018 | 378 | if [ "${karch}" = "powerpc" ]; then |
10528202 MJ |
379 | if [ "x$(scripts/config -s CONFIG_PPC64)" = "xy" ] && vergte "${kversion}" "5.4"; then |
380 | : | |
381 | else | |
04873cc3 MJ |
382 | make arch/powerpc/lib/crtsavres.o CC="$CC" |
383 | fi | |
d815b018 MJ |
384 | fi |
385 | ||
7a76a4d0 | 386 | # On arm64 between 4.13 and 4.15 this object is required to build with ftrace support |
a1ae361e | 387 | if [ "${karch}" = "arm64" ]; then |
c236528e | 388 | if [ -f "arch/arm64/kernel/ftrace-mod.S" ]; then |
5a196804 | 389 | make arch/arm64/kernel/ftrace-mod.o CC="$CC" |
a1ae361e MJ |
390 | fi |
391 | fi | |
392 | ||
7e02032c | 393 | # Version specific tasks |
a1ae361e | 394 | case "$ktag" in |
7e02032c MJ |
395 | Ubuntu*) |
396 | # Add Ubuntu ABI number to kernel headers, this is normally done by the packaging code | |
a1ae361e | 397 | ABINUM="$(echo "$ktag" | grep -P -o 'Ubuntu-(lts-)?.*-\K\d+(?=\..*)')" |
5a196804 MJ |
398 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> include/generated/utsrelease.h |
399 | echo "#define UTS_UBUNTU_RELEASE_ABI $ABINUM" >> "${LINUX_HDROBJ_DIR}/include/generated/utsrelease.h" | |
7e02032c MJ |
400 | ;; |
401 | esac | |
7e02032c MJ |
402 | } |
403 | ||
404 | ||
339db64d MJ |
405 | build_modules() { |
406 | ||
5a196804 MJ |
407 | local kdir="$1" |
408 | local outdir="$2" | |
409 | local kversion | |
410 | ||
411 | kversion=$(make -C "$LINUX_HDROBJ_DIR" -s kernelversion) | |
339db64d | 412 | |
339db64d | 413 | # Enter lttng-modules source dir |
5a196804 | 414 | cd "${MODULES_GIT_DIR}" |
339db64d MJ |
415 | |
416 | # kernels 3.10 to 3.10.13 and 3.11 to 3.11.2 introduce a deadlock in the | |
417 | # timekeeping subsystem. We want those build to fail. | |
5a196804 MJ |
418 | if { vergte "$kversion" "3.10" && verlte "$kversion" "3.10.13"; } || \ |
419 | { vergte "$kversion" "3.11" && verlte "$kversion" "3.11.2"; }; then | |
339db64d MJ |
420 | |
421 | set +e | |
422 | ||
423 | # Build modules | |
51fa2ab3 | 424 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
0f71a764 | 425 | ret=$? |
339db64d | 426 | |
5a196804 MJ |
427 | set -e |
428 | ||
339db64d | 429 | # We expect this build to fail, if it doesn't, fail the job. |
0f71a764 | 430 | if [ "$ret" -eq 0 ]; then |
e9b44189 | 431 | echo "This build should have failed." |
339db64d MJ |
432 | exit 1 |
433 | fi | |
434 | ||
435 | # We have to publish at least one file or the build will fail | |
5a196804 | 436 | echo "This kernel is broken, there is a deadlock in the timekeeping subsystem." > "${outdir}/BROKEN.txt.ko" |
339db64d | 437 | |
5a196804 | 438 | KERNELDIR="${kdir}" make clean |
7e02032c | 439 | |
339db64d MJ |
440 | else # Regular build |
441 | ||
442 | # Build modules against full kernel sources | |
51fa2ab3 | 443 | KERNELDIR="${kdir}" make -j"${NPROC}" V=1 CC="$CC" |
339db64d MJ |
444 | |
445 | # Install modules to build dir | |
5a196804 | 446 | KERNELDIR="${kdir}" make INSTALL_MOD_PATH="${outdir}" modules_install |
339db64d MJ |
447 | |
448 | # Clean build dir | |
5a196804 | 449 | KERNELDIR="${kdir}" make clean |
339db64d MJ |
450 | fi |
451 | } | |
452 | ||
453 | ||
454 | ## MAIN ## | |
455 | ||
f3d8604b MJ |
456 | # Use all CPU cores |
457 | NPROC=$(nproc) | |
458 | ||
5a196804 MJ |
459 | MODULES_GIT_DIR="${WORKSPACE}/src/lttng-modules" |
460 | LINUX_GIT_DIR="${WORKSPACE}/src/linux" | |
339db64d | 461 | |
5a196804 MJ |
462 | LINUX_OBJ_DIR="${WORKSPACE}/linux" |
463 | LINUX_SRCOBJ_DIR="${LINUX_OBJ_DIR}/sources" | |
464 | LINUX_HDROBJ_DIR="${LINUX_OBJ_DIR}/headers" | |
465 | LINUX_INSTOBJ_DIR="${LINUX_OBJ_DIR}/install" | |
339db64d | 466 | |
5a196804 MJ |
467 | MODULES_OUTPUT_KSRC_DIR="${WORKSPACE}/build/lttng-modules-ksrc" |
468 | MODULES_OUTPUT_KHDR_DIR="${WORKSPACE}/build/lttng-modules-khdr" | |
339db64d | 469 | |
5a196804 MJ |
470 | LINUX_GIT_REF_REPO_DIR="$HOME/gitcache/linux-stable.git/" |
471 | ||
472 | OBJ_STORE_URL="s3://jenkins" | |
473 | ||
474 | cd "$WORKSPACE" | |
475 | ||
476 | # Create build directories | |
477 | mkdir -p "${LINUX_SRCOBJ_DIR}" "${LINUX_HDROBJ_DIR}" "${LINUX_INSTOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" | |
478 | ||
479 | git_clone_modules_sources | |
339db64d | 480 | |
7e02032c | 481 | # Setup cross compile env if available |
39961776 | 482 | if [ "x${cross_arch}" != "x" ]; then |
7e02032c MJ |
483 | |
484 | case "$cross_arch" in | |
485 | "armhf") | |
486 | karch="arm" | |
487 | cross_compile="arm-linux-gnueabihf-" | |
53b51a15 | 488 | vanilla_config="imx_v6_v7_defconfig" |
7e02032c MJ |
489 | ubuntu_config="armhf-config.flavour.generic" |
490 | ;; | |
491 | ||
492 | "arm64") | |
493 | karch="arm64" | |
494 | cross_compile="aarch64-linux-gnu-" | |
53b51a15 | 495 | vanilla_config="defconfig" |
7e02032c MJ |
496 | ubuntu_config="arm64-config.flavour.generic" |
497 | ;; | |
498 | ||
499 | "powerpc") | |
500 | karch="powerpc" | |
501 | cross_compile="powerpc-linux-gnu-" | |
e9b44189 | 502 | vanilla_config="ppc44x_defconfig" |
7e02032c MJ |
503 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
504 | ;; | |
505 | ||
506 | "ppc64el") | |
507 | karch="powerpc" | |
508 | cross_compile="powerpc64le-linux-gnu-" | |
e9b44189 | 509 | vanilla_config="pseries_le_defconfig" |
7e02032c MJ |
510 | ubuntu_config="ppc64el-config.flavour.generic" |
511 | ;; | |
512 | ||
513 | *) | |
51fa2ab3 | 514 | echo "Unsupported cross arch $cross_arch" |
7e02032c MJ |
515 | exit 1 |
516 | ;; | |
517 | esac | |
339db64d | 518 | |
7e02032c MJ |
519 | # Export variables used by Kbuild for cross compilation |
520 | export ARCH="${karch}" | |
521 | export CROSS_COMPILE="${cross_compile}" | |
339db64d | 522 | |
7e02032c | 523 | # Set arch specific values if we are not cross compiling |
39961776 | 524 | elif [ "x${arch}" != "x" ]; then |
e9b44189 | 525 | |
7e02032c | 526 | case "$arch" in |
16844a6d | 527 | "i386") |
7e02032c | 528 | karch="x86" |
e9b44189 | 529 | vanilla_config="allyesconfig" |
7e02032c MJ |
530 | ubuntu_config="i386-config.flavour.generic" |
531 | ;; | |
532 | ||
16844a6d | 533 | "amd64") |
7e02032c | 534 | karch="x86" |
e9b44189 | 535 | vanilla_config="allyesconfig" |
7e02032c MJ |
536 | ubuntu_config="amd64-config.flavour.generic" |
537 | ;; | |
538 | ||
539 | "armhf") | |
540 | karch="arm" | |
e9b44189 | 541 | vanilla_config="allyesconfig" |
7e02032c MJ |
542 | ubuntu_config="armhf-config.flavour.generic" |
543 | ;; | |
544 | ||
545 | "arm64") | |
546 | karch="arm64" | |
e9b44189 | 547 | vanilla_config="allyesconfig" |
7e02032c MJ |
548 | ubuntu_config="arm64-config.flavour.generic" |
549 | ;; | |
550 | ||
551 | "powerpc") | |
552 | karch="powerpc" | |
e9b44189 | 553 | vanilla_config="allyesconfig" |
7e02032c MJ |
554 | ubuntu_config="powerpc-config.flavour.powerpc-smp" |
555 | ;; | |
556 | ||
557 | "ppc64el") | |
558 | karch="powerpc" | |
e9b44189 | 559 | vanilla_config="allyesconfig" |
7e02032c MJ |
560 | ubuntu_config="ppc64el-config.flavour.generic" |
561 | ;; | |
562 | ||
563 | *) | |
564 | echo "Unsupported arch $arch" | |
565 | exit 1 | |
566 | ;; | |
567 | esac | |
568 | else | |
04873cc3 | 569 | echo "No arch or cross_arch specified" |
7e02032c MJ |
570 | exit 1 |
571 | fi | |
339db64d | 572 | |
339db64d | 573 | |
b214d997 | 574 | |
5a196804 MJ |
575 | # First get the kernel build from the object store, or build it, if it's |
576 | # not available. | |
339db64d | 577 | |
5a196804 MJ |
578 | echo "# Setup endpoint |
579 | host_base = obj.internal.efficios.com | |
580 | host_bucket = obj.internal.efficios.com | |
581 | bucket_location = us-east-1 | |
582 | use_https = True | |
7e02032c | 583 | |
5a196804 MJ |
584 | # Setup access keys |
585 | access_key = jenkins | |
586 | secret_key = echo123456 | |
339db64d | 587 | |
5a196804 MJ |
588 | # Enable S3 v4 signature APIs |
589 | signature_v2 = False" > "$WORKSPACE/.s3cfg" | |
339db64d | 590 | |
c45b04df | 591 | url_hash="$(echo -n "$kgitrepo" | md5sum | awk '{ print $1 }')" |
5a196804 | 592 | obj_name="linux.tar.bz2" |
c45b04df | 593 | obj_url_prefix="$OBJ_STORE_URL/linux-build/$url_hash/$ktag/$arch/${cross_arch:-native}" |
5a196804 | 594 | obj_url="$obj_url_prefix/$obj_name" |
339db64d | 595 | |
5a196804 MJ |
596 | set +e |
597 | s3cmd -c "$WORKSPACE/.s3cfg" get "$obj_url" | |
598 | ret=$? | |
599 | set -e | |
339db64d | 600 | |
5a196804 MJ |
601 | case "$ret" in |
602 | "0") | |
603 | extract_archive_obj | |
604 | ;; | |
a1ae361e | 605 | |
5a196804 MJ |
606 | "12") |
607 | echo "File not found" | |
339db64d | 608 | |
5a196804 MJ |
609 | # Build all the things and upload |
610 | # then finish the module build... | |
339db64d | 611 | |
5a196804 MJ |
612 | git_clone_linux_sources |
613 | git_export_linux_sources | |
339db64d | 614 | |
5a196804 | 615 | select_compiler |
a1ae361e | 616 | |
5a196804 MJ |
617 | ## PREPARE FULL LINUX SOURCE TREE |
618 | build_linux_kernel | |
d138fc44 | 619 | |
5a196804 MJ |
620 | ## EXTRACT DISTRO STYLE KERNEL HEADERS / DEVEL |
621 | extract_distro_headers | |
339db64d | 622 | |
5a196804 | 623 | tar_archive_obj |
339db64d | 624 | |
5a196804 | 625 | upload_archive_obj |
339db64d | 626 | |
5a196804 | 627 | ;; |
339db64d | 628 | |
5a196804 MJ |
629 | *) |
630 | echo "Unknown error? Abort" | |
631 | exit 1 | |
632 | ;; | |
633 | esac | |
339db64d | 634 | |
5a196804 | 635 | select_compiler |
f3d8604b | 636 | |
7e02032c | 637 | ## BUILD modules |
5a196804 MJ |
638 | # Either we downloaded a pre-build kernel or we built it and uploaded |
639 | # the archive for future builds. | |
640 | ||
641 | cd "$WORKSPACE" | |
f3d8604b | 642 | |
339db64d | 643 | # Build modules against full kernel sources |
5a196804 | 644 | build_modules "${LINUX_SRCOBJ_DIR}" "${MODULES_OUTPUT_KSRC_DIR}" |
f3d8604b | 645 | |
339db64d | 646 | # Build modules against kernel headers |
5a196804 | 647 | build_modules "${LINUX_HDROBJ_DIR}" "${MODULES_OUTPUT_KHDR_DIR}" |
f3d8604b | 648 | |
5a196804 MJ |
649 | # Make sure some modules were actually built |
650 | tree "${MODULES_OUTPUT_KSRC_DIR}" | |
651 | if [ "x$(find "${MODULES_OUTPUT_KSRC_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
652 | echo "No modules built!" |
653 | exit 1 | |
654 | fi | |
655 | ||
5a196804 MJ |
656 | tree "${MODULES_OUTPUT_KHDR_DIR}" |
657 | if [ "x$(find "${MODULES_OUTPUT_KHDR_DIR}" -name '*.ko*' -printf yes -quit)" != "xyes" ]; then | |
7e02032c MJ |
658 | echo "No modules built!" |
659 | exit 1 | |
660 | fi | |
b214d997 | 661 | |
f3d8604b | 662 | # EOF |